| Neunkirchen | |
| Pushpin Map: | Austria Lower Austria#Austria |
| Pushpin Mapsize: | 270 |
| Pushpin Map Caption: | Location within Lower Austria##Location within Austria |
| Coordinates: | 47.7333°N 21°W |
| Subdivision Type: | Country |
| Subdivision Name: | Austria |
| Subdivision Type1: | State |
| Subdivision Name1: | Lower Austria |
| Subdivision Type2: | District |
| Subdivision Name2: | Neunkirchen |
| Parts Style: | para |
| Leader Title: | Mayor |
| Leader Name: | Herbert Osterbauer |
| Leader Party: | ÖVP |
| Elevation M: | 371 |
| Population Density Km2: | auto |
| Timezone: | CET |
| Timezone Dst: | CEST |
| Utc Offset: | +1 |
| Utc Offset Dst: | +2 |
| Postal Code Type: | Postal code |
| Postal Code: | 2620 |
| Area Code Type: | Area code |
| Area Code: | 02635 |
| Website: | www.neunkirchen.gv.at |
Neunkirchen (pronounced as /de/) is the capital of the district of Neunkirchen in the Austrian state of Lower Austria. As of 2020 it has a population of 12,721.
Neunkirchen is situated in the Steinfeld region of the Vienna Basin, part of Industrieviertel in the southwestern area of Lower Austria. Schwarza river is flowing through it.
The municipality consists of three localities, which are also cadastral communities of the same names (area as of 1 January 2001,[1] population as of 1 January 2022[2]):
NE: Sankt Egyden am Steinfeld; E: Breitenau; SE: Natschbach-Loipersbach; S: Wartmannstetten; W: Ternitz; NW: Würflach
Neunkirchen is one of the oldest settlements in the Vienna Basin. It has been permanently settled since the La Tène culture. There was a Roman settlement from about 30 to 400 AD near the inner city, but its name is unknown. Neunkirchen was first mentioned in 1094 as "Niuwenchirgun". The town was given city status in 1920.
Neunkirchen lies on the Südbahn (German: Southern Railway), Cityjet Xpress (CJX9) trains connecting it to Wiener Neustadt, Payerbach-Reichenau, and Vienna in 30 minute intervals.[3]
Neunkirchen also lies on the S6 Semmering Schnellstraße motorway.[4]